OURAY COUNTY, Colo. – The Colorado Department of Transportation announced that U.S. Highway 550 Red Mountain Pass will close at 9 a.m. on Tuesday, as CDOT will perform winter maintenance operations.

DENVER (KDVR) — A mountain pass in the San Juan Mountain Range is closed due to a rockfall. U.S. 550 Red Mountain Pass, the summit of the Millon Dollar Highway in southwest Colorado, will be ...